xii CONTENTS. 



CHAPTER XXII. 



The spirillum (comma bacillus) of Asiatic cholera Its morphologi- 

 cal and cultural peculiarities Pathogenic properties The bacterio- 

 logical diagnosis of Asiatic cholera 365-393 



CHAPTER XXIII. 



Organisms of interest, historically and otherwise, that have been 

 confounded with the spirillum of Asiatic cholera Their peculiari- 

 ties and differential features Vibrio proteus, or bacillus of Finkler 

 and Prior Spirillum iyrogenum, or cheese spirillum of Deneke The 

 spirillum of Miller Vibrio Metchnikovi 394-411 



CHAPTER XXIV. 



Study of bacillus anthracis, and the effects produced by its in- 

 oculation into animals Peculiarities of the organism under varying 

 conditions of surroundings 412-427 



CHAPTER XXV. 



The most important of the organisms found in the soil The nitri- 

 fying bacteria The bacillus of tetanus The bacillus of malignant 

 oedema The bacillus of symptomatic anthrax 428-452 



CHAPTER XXVI. 



Infection and immunity The types of infection ; intimate nature 

 of infection Septicaemia, toxaemia, variations in infectious pro- 

 cessesImmunity, natural and acquired The hypotheses that have 

 been advanced in explanation of immunity Conclusions . . . 453-483 



CHAPTER XXVII. 



Bacteriological study of water Methods employed Precautions 

 to be observed Apparatus used, and methods of using them 

 Methods of investigating air and soil 484-511 



CHAPTER XXVIII. 



Methods of testing disinfectants and antiseptics Experiments 

 illustrating the precautions to be taken Experiments in skin-dis- 

 infection . 512-525 



APPENDIX. 



Apparatus necessary in a beginner's bacteriological laboratory . 527-532 



